The Wristwatch Field Guide

ChronoAstra Custom Starmap

ChronoAstra

The ChronoAstra Custom Starmap is a current-production dress watch with a black grade 5 (ti-6al-4v) case, finished with sandblasted, brushed and mirror polished; optional dlc black. It measures 40.0 mm across, 9.95 mm thick, 48 mm lug to lug, and is water resistant to 50 m. Inside is the Miyota 9039 automatic movement, with 42 h power reserve. Complications: Time only. Priced from $760 (approx; automatic EUR 699 early-bird, quartz approx EUR 499; crowdfunding pricing). Brand origin: Netherlands.

Titanium and ceramic dress watchesTitaniumBlackDisplay backUnder $5,000
Reference
ChronoAstra
Type
Dress
Price
$760 · approx; automatic EUR 699 early-bird, quartz approx EUR 499; crowdfunding pricing
Case diameter
40.0 mm
Thickness
9.95 mm
Lug-to-lug
48 mm
Water resistance
50 m
Weight
–
Origin
Netherlands
Movement
Automatic
Caliber
Miyota 9039
Power reserve
42 h
Complications
Time only
Material
Titanium
Grade / type
Grade 5 (Ti-6Al-4V)
Colour
Black
Hardness
–
Construction
–
Surface treatment
Sandblasted, brushed and mirror polished; optional DLC black
Caseback
–
Nickel-free
Not verified (contact-point materials not all confirmed)
Bracelet / strap
Integrated leather strap, or integrated titanium bracelet (VIP)
Matching bracelet
Optional (or strap)
Crystal
Flat sapphire, inner AR
Display back
Yes
Dial
Aventurine with custom star map: Deep Space Black, Cosmic Blue, Musou Infinite Black, or White Dwarf Sun
Lume
Super-LumiNova BGW9
Availability
Offered
Status
Pre-order (Kickstarter)
High confidence Verified Jun 2026 Source: ChronoAstra product page / Oracle of Time hands-on Maker / listing ↗
Facts are free to cite with a link.
See it in the interactive guide

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Frequently asked questions

What is the case material of the ChronoAstra Custom Starmap?

The ChronoAstra Custom Starmap has a black grade 5 (ti-6al-4v) case. This is confirmed against the maker spec.

What size is the ChronoAstra Custom Starmap?

It is 40.0 mm in diameter, 9.95 mm thick, 48 mm lug to lug, and water resistant to 50 m.

How much does the ChronoAstra Custom Starmap cost, and is it available?

It is current-production and lists from $760.

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